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bradymholt/index.html

Last active November 22, 2022 13:23
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Backup textarea in localStorage
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index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
</head>
<script>
const issueId = window.location.search; // TODO: clean up parsing of issue id
const formTextLocalStorageKey = `formText_${issueId}`;
document.addEventListener("DOMContentLoaded", function () {
restoreDraftFormText();
getFormTextElement().addEventListener("keyup", (event) => {
saveDraftFormText();
});
});
function restoreDraftFormText() {
const formTextElement = getFormTextElement();
var backedUpIssueTextValue = localStorage.getItem(formTextLocalStorageKey);
if (backedUpIssueTextValue && !formTextElement.value) {
formTextElement.value = backedUpIssueTextValue;
}
}
function saveDraftFormText() {
var issueTextValue = getFormTextElement().value;
localStorage.setItem(formTextLocalStorageKey, issueTextValue);
}
function getFormTextElement() {
return document.getElementById("formText");
}
</script>
<body>
<fieldset>
<legend>Form</legend>
<form>
<textarea id="formText" name="formText" cols="40" rows="4"></textarea>
<div>
<button type="submit">Submit</button>
</div>
</form>
</fieldset>
</body>
</html>
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Google Chrome_2022 _11_21T23 12 41Z

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